As the Spell of Shattered Sight approaches Storybrooke, Mary Margaret and David rally the residents to prepare for the curse while Belle and the fairies work together on an antidote. Gold, with Hook as his reluctant servant, sets about an exit strategy of his own. Regina and Robin Hood ready themselves for the worst, while with the help of a locator spell, Emma and Elsa search desperately for Anna. In Arendelle, Anna and Kristoff awaken to find that their kingdom is once again in danger.

Regina and Robinhood in this Once Upon a Time season 4 episode 9 promotional picture(ABC)

In the last episode Smash The Mirror, Emma turns to Rumple for help with her powers, after she unknowingly hurts Henry. And Hook unsuccessfully attempts to stop Rumple from stealing her powers, and ends up losing his heart to the Dark One. Snow Queen prepares to cast the Shattered Sight curse on Storybrooke.

ABC also released a sneak peek featuring the Snow Queen and Rumplestiltskin, as he tries to offer her another deal, and in the next promo we see Snow white and Regina turning against each other.